qrupdatehttps://sourceforge.net/projects/qrupdateBlue Devilbluedevil@sctzine.comscience.mathematicsGPLv3libraryFortran library for fast updates of QR and Cholesky decompositions.qrupdate is a Fortran library for fast updates of QR and Cholesky decompositions.https://downloads.sourceforge.net/project/qrupdate/qrupdate/1.2/qrupdate-1.1.2.tar.gzblas-devellibquadmathlapack-develqrupdateFortran library for fast updates of QR and Cholesky decompositions.blaslapacklibgfortran/usr/lib/usr/share/doc/qrupdate2020-05-261.1.2First pisi release.Blue Devilbluedevil@sctzine.com